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Yanmar Small Engines, 12V 35-Amp Saddle Mount, Replcaces Yanmar #’s 121370-77200 & 128270-77200


Fits Yanmar Rplc. Yanmar #’s
128270-77200, 121370-77200
Arco# 84135
OE# 128270-77200
Sierra# 18-6284


Key Features:

  • Versatile Compatibility: This alternator is designed to perfectly fit Yanmar small engines and replaces Yanmar #’s 128270-77200 and 121370-77200, ensuring seamless integration into various Yanmar applications.
  • Easy Installation: The saddle mounts design simplifies installation, saving you time and effort.
  • Optimal Power Output: With a 12V and 35-Amp output, this alternator delivers the power you need for your applications.
  • OE# 128270-77200 Compatibility: This alternator is also compatible with OE# 128270-77200, assuring quality and consistency.
  • Arco# 84135 Compatibility: It’s further enhanced with compatibility with Arco# 84135.
  • Sierra# 18-6284 Compatibility: It’s also compatible with Sierra# 18-6284.
  • 1-Year Warranty: Your peace of mind is our priority. We back the quality and reliability of this alternator with a solid 1-Year Warranty.


  • Product Name: 12V 35-Amp Saddle Mount Alternator for Yanmar Small Engines
  • Voltage: 12V
  • Amperage: 35-Amp
  • Compatibility: Fits Yanmar small engines
  • Replaces Yanmar Compatibility: 128270-77200, 121370-77200
  • Mounting: Saddle Mount
  • OE# Compatibility: 128270-77200
  • Arco# Compatibility: 84135
  • Sierra# Compatibility: 18-6284
  • Warranty: 1-Year
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